Keywords: Researchtrianglearea.png en Research Triangle lists eight counties Chatham Durham Franklin Harnett Johnston Orange Person Wake ; this map has seven in red swapping Granville for Person and dropping Harnett and six in orange File Raleigh-Durham-Cary CSA png might be more accurate Counties included in the Research Triangle area Adapted from Wikipedia's NC county maps by Seth Ilys Chatham County North Carolina Durham County North Carolina Franklin County North Carolina Granville County North Carolina Harnett County North Carolina Johnston County North Carolina Lee County North Carolina Nash County North Carolina Orange County North Carolina Person County North Carolina Vance County North Carolina Wake County North Carolina Warren County North Carolina Maps of census statistical areas in North Carolina |